參數(shù)資料
型號: NCP112DR2
廠商: ON SEMICONDUCTOR
元件分類: 電源管理
英文描述: Supervisory IC for Desktop Power Supply Monitoring
中文描述: 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
封裝: SOIC-14
文件頁數(shù): 6/10頁
文件大小: 135K
代理商: NCP112DR2
NCP112
http://onsemi.com
6
Figure 2. Timing Diagram
3.3 V, 5 V, 12 V
PGO
PGI
FAULT
REMOTE
V
CC
Tremote (ON)
Tpg
Tremote (OFF)
OVP
Tfault (OV)
UVP
Table 1. FUNCTION TABLE
PGI
REMOTE
ADJ
Undervoltage
Overvoltage
FAULT
PGO
<1.28 V (L)
L
<1.28 V (L)
No
No
H
L
<1.28 V (L)
L
<1.28 V (L)
No
Yes
H
L
<1.28 V (L)
L
<1.28 V (L)
Yes
No
H
L
<1.28 V (L)
L
>1.28 V (H)
No
No
L
L
<1.28 V (L)
L
>1.28 V (H)
No
Yes
H
L
<1.28 V (L)
L
>1.28 V (H)
Yes
No
H
L
>1.28 V (H)
L
<1.28 V (L)
No
No
H
L
>1.28 V (H)
L
<1.28 V (L)
No
Yes
H
L
>1.28 V (H)
L
<1.28 V (L)
Yes
No
H
L
>1.28 V (H)
L
>1.28 V (H)
No
No
L
H
>1.28 V (H)
L
>1.28 V (H)
No
Yes
H
L
>1.28 V (H)
L
>1.28 V (H)
Yes
No
H
L
X
H
X
X
X
H
L
2. X = > Don’t care.
3. FAULT = L means main PWM is Enable.
4. PGO = H means power supply is working within ATX specifications.
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